1331507947

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 1684929024

約数和(自身を除く): 353421077

約数列:

[1, 7, 11, 77, 101, 313, 547, 707, 1111, 2191, 3443, 3829, 6017, 7777, 24101, 31613, 42119, 55247, 171211, 221291, 347743, 386729, 607717, 1198477, 1883321, 2434201, 4254019, 13183247, 17292311, 121046177, 190215421, 1331507947]

約数ペア:

[(1, 1331507947), (7, 190215421), (11, 121046177), (77, 17292311), (101, 13183247), (313, 4254019), (547, 2434201), (707, 1883321), (1111, 1198477), (2191, 607717), (3443, 386729), (3829, 347743), (6017, 221291), (7777, 171211), (24101, 55247), (31613, 42119)]